What hotel chain owns Marriott?

Marriott International is a company. Starwood Hotels & Resorts Worldwide Inc.

How do I switch from Hilton to Marriott?

There's no simple way to transfer your points from Hilton to Marriott without sacrificing a lot of value, so you should just Look for opportunities to use up your HHonors balance. You can take advantage of the credit card sign-up bonuses to get your Marriott account up and running.

Does Bonvoy match Hilton status?

If you have a Diamond or Gold status, you can now join Marriott Bonvoy Platinum Elite , one of Marriott's higher tier rewards levels.